CVE-2023-3581CWE-346

WebSockets accept connections from HTTPS origin

Medium · published July 17, 2023

CVSS v3.1
6.2
EPSS
0%
Percentile
17.0
In the wild
Unconfirmed
What it is

Mattermost fails to properly validate the origin of a websocket connection allowing a MITM attacker on Mattermost to access the websocket APIs.

The record
Technical detail
CVSS v3.1
6.2 · MEDIUM
Vector
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00262 · 17.0th percentile
Weakness
CWE-346 · Origin Validation Error
Published
2023-07-17T15:20Z
EPSS history
Timeline
  • 17 JUL 15:20Z
    WebSockets accept connections from HTTPS origin
    cvelistv5